30:1 Micro Metal Gearmotor MP 6V

This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 29.86:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.

Key specs at 6 V: 730 RPM and 40 mA with no load, 8 oz-in (0.6 kg-cm) and 0.7 A at stall.